Linear cubic bezier

HTML-CSS
1

Tell us what’s happening:

What is wrong pls

Your code so far


<style>

.balls{
  border-radius: 50%;
  background: linear-gradient(
    35deg,
    #ccffff,
    #ffcccc
  );
  position: fixed;
  width: 50px;
  height: 50px;
  margin-top: 50px;
  animation-name: bounce;
  animation-duration: 2s;
  animation-iteration-count: infinite;
}
#ball1 {
  left: 27%;
  animation-timing-function: cubic-bezier (0.25, 0.25, 0.75, 0.75);
}
#ball2 {
  left: 56%;
  animation-timing-function: ease-out;
}

@keyframes bounce {
  0% {
    top: 0px;
  }
  100% {
    top: 249px;
  }
}

</style>

<div class="balls" id="ball1"></div>
<div class="balls" id="ball2"></div>

Your browser information:

User Agent is: Mozilla/5.0 (Linux; Android 7.0; TECNO WX3 Build/NRD90M) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Mobile Safari/537.36.

Challenge: Learn How Bezier Curves Work

Link to the challenge:
https://www.freecodecamp.org/learn/responsive-web-design/applied-visual-design/learn-how-bezier-curves-work

2

Remove the space after cubic-bezier and before the parentheses ()